From d68affa9c272f5fa8ace8f629619b886f62acd9e Mon Sep 17 00:00:00 2001
From: Adam Silverstein <adamsilverstein@git.wordpress.org>
Date: Tue, 10 Apr 2018 16:11:55 +0000
Subject: [PATCH] Revisions: improve show_split_view=false support for title.
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* When show_split_view argument false, show title changes in a single column and only show title once if title is unchanged.

Props johnbillion, mbelchev.
Fixes #42402.  



git-svn-id: https://develop.svn.wordpress.org/trunk@42966 602fd350-edb4-49c9-b593-d223f7449a82
---
 src/wp-admin/includes/revision.php | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/src/wp-admin/includes/revision.php b/src/wp-admin/includes/revision.php
index 6b05442370..f431493fc1 100644
--- a/src/wp-admin/includes/revision.php
+++ b/src/wp-admin/includes/revision.php
@@ -111,8 +111,20 @@ function wp_get_revision_ui_diff( $post, $compare_from, $compare_to ) {
 			// It's a better user experience to still show the Title, even if it didn't change.
 			// No, you didn't see this.
 			$diff  = '<table class="diff"><colgroup><col class="content diffsplit left"><col class="content diffsplit middle"><col class="content diffsplit right"></colgroup><tbody><tr>';
-			$diff .= '<td>' . esc_html( $compare_from->post_title ) . '</td><td></td><td>' . esc_html( $compare_to->post_title ) . '</td>';
-			$diff .= '</tr></tbody>';
+
+			// In split screen mode, show the title before/after side by side.
+			if ( true === $args['show_split_view'] ) {
+				$diff .= '<td>' . esc_html( $compare_from->post_title ) . '</td><td></td><td>' . esc_html( $compare_to->post_title ) . '</td>';
+			} else {
+				$diff .= '<td>' . esc_html( $compare_from->post_title ) . '</td>';
+
+				// In single column mode, only show the title once if unchanged.
+				if ( $compare_from->post_title !== $compare_to->post_title ) {
+					$diff .= '</tr><tr><td>' . esc_html( $compare_to->post_title ) . '</td>';
+				}
+			}
+
+ 			$diff .= '</tr></tbody>';
 			$diff .= '</table>';
 		}